管理员摘要：
How long will it take to finish digging the foundations? 挖地基大概需要多长时间完成呢？ He laid the foundation of his success by study and hard work. 他通过学习和努力工作为成功打下了基础。……
How long will it take to finish digging the foundations?
挖地基大概需要多长时间完成呢？
He laid the foundation of his success by study and hard work.
他通过学习和努力工作为成功打下了基础。